- Standard No.
- YS/T 358.3-2011
- Language
- Chinese, Available in English version
- Release Date
- 2011
- Published By
- Professional Standard - Non-ferrous Metal
- Latest
-
YS/T 358.3-2011
- Replace
-
YS/T 358-1994
- Scope
- This method specifies the determination of silica content in ferrotantalum and ferroniobium concentrates. This method is suitable for the determination of silica content in ferrotantalum and ferroniobium concentrates. The determination range of method one is 0.50% to 5.00%, and the determination range of method two is >5.00% to 20.00%.
YS/T 358.3-2011 history
- 2011 YS/T 358.1-2011 Methods for chemical analysis of tantalite,columbite concentrate.Part 1:Determination of tantalum and niobium content.Gravimatric of paper chromatography method
- 1970 YS/T 358-1994 Chemical analysis method of tantalum iron and niobium iron concentrate
YS/T 358.3-2011 Methods for chemical analysis of tantalite,columbite concentrate.Part 3:Determination of silicon dioxide content.Silicomolybdenum blue spectrophotometry and gravimetry has been changed from YS/T 358-1994 Chemical analysis method of tantalum iron and niobium iron concentrate.